FileSystem.FileAttr(Int32) Method

Reference

Definition

Namespace:: Microsoft.VisualBasic

Assembly:: Microsoft.VisualBasic.Core.dll

Assembly:: Microsoft.VisualBasic.dll

Source:: FileSystem.vb

Source:: FileSystem.vb

Source:: FileSystem.vb

Important

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Returns an enumeration representing the file mode for files opened using the FileOpen function. The FileSystem gives you better productivity and performance in file I/O operations than the FileAttr function. See GetFileInfo(String) for more information.

public:
 static Microsoft::VisualBasic::OpenMode FileAttr(int FileNumber);

public static Microsoft.VisualBasic.OpenMode FileAttr(int FileNumber);

static member FileAttr : int -> Microsoft.VisualBasic.OpenMode

Public Function FileAttr (FileNumber As Integer) As OpenMode

Parameters

FileNumber: Int32

Required. Integer. Any valid file number.

Returns

OpenMode

One of the following values:

Value	File access mode
1	`OpenMode.Input`
2	`OpenMode.Output`
4	`OpenMode.Random`
8	`OpenMode.Append`
32	`OpenMode.Binary`

Examples

This example uses the FileAttr function to return the file mode of an open file.

Dim mode As OpenMode
FileOpen(1, "c:\TESTFILE.TXT", OpenMode.Input)
mode = FileAttr(1)
MsgBox("The file mode is " & mode.ToString())
FileClose(1)

Remarks

This function returns an enumeration representing the file mode for files opened using the FileOpen function.

Applies to

Product	Versions
.NET	Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1

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